Abacn commented on code in PR #36255:
URL: https://github.com/apache/beam/pull/36255#discussion_r2376310241
##########
examples/java/iceberg/build.gradle:
##########
@@ -87,3 +87,41 @@ dependencies {
runtimeOnly project(path: project.getProperty("runnerDependency"))
}
}
+
+/*
+ * A convenient task to run individual example directly on Beam repo.
+ *
+ * Usage:
+ * ./gradlew :examples:java:iceberg:execute
-PmainClass=org.apache.beam.examples.iceberg.<ClassName>`\
+ *
-Pexec.args="runner=[DataflowRunner|DirectRunner|FlinkRunner|SparkRunner|PrismRunner]
\
+ * <pipeline options>"
+ */
+tasks.create(name:"execute", type:JavaExec) {
+ mainClass = project.hasProperty("mainClass") ?
project.getProperty("mainClass") : "NONE"
+ def execArgs = project.findProperty("exec.args")
+ String runner
+ if (execArgs) {
+ // configure runner dependency from args
+ def runnerPattern = /runner[ =]([A-Za-z]+)/
+ def matcher = execArgs =~ runnerPattern
+ if (matcher) {
+ runner = matcher[0][1]
+ runner = runner.substring(0, 1).toLowerCase() + runner.substring(1);
+ if (!(runner in (preCommitRunners + nonPreCommitRunners))) {
+ throw new GradleException("Unsupported runner: " + runner)
+ }
+ }
+ }
+ if (runner) {
+ classpath = sourceSets.main.runtimeClasspath +
configurations."${runner}PreCommit"
+ } else {
+ classpath = sourceSets.main.runtimeClasspath
+ }
+ systemProperties System.getProperties()
+ args execArgs ? execArgs.split() : []
+}
+
+configurations.all {
Review Comment:
We can send this fix now and add/refactor exec tasks in a separate PR
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